CallStop vs SumOfUs
A side-by-side look at CallStop and SumOfUs. For an in-depth review of either product, follow the links below.
CallStop
Security & Privacy
CallStop is a call blocking mobile app for Android and iOS that allows users to block unwanted calls and text messages. It has a database of known telemarketers and robocallers that it blocks automatically.
telemarketer-blockingrobocall-blockingspam-call-blockingmobile-security
SumOfUs
Social & Communications
SumOfUs is an online community that campaigns for corporate accountability and social change. Their campaigns target large corporations on issues like human rights, climate change, and economic justice.
activismnonprofitsocial-changecorporate-accountability
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